CN107354857A - A kind of high-speed railway repairing combined box beam and its assemble method - Google Patents
A kind of high-speed railway repairing combined box beam and its assemble method Download PDFInfo
- Publication number
- CN107354857A CN107354857A CN201710765078.6A CN201710765078A CN107354857A CN 107354857 A CN107354857 A CN 107354857A CN 201710765078 A CN201710765078 A CN 201710765078A CN 107354857 A CN107354857 A CN 107354857A
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- Prior art keywords
- box beam
- segment
- main body
- segment body
- length
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Abstract
The invention discloses a kind of high-speed railway repairing combined box beam, its second box beam main body for including the first box beam main body and splicing side by side with the first box beam main body；The first box beam main body and the second box beam main body include：At least one first segment body, the first edge of a wing component being detachably connected with the first segment body sidepiece；And/or the second edge of a wing component that at least one second segment body and the second segment body sidepiece are detachably connected.The present invention can significantly shorten emergency repair time；Stability Analysis of Structures, road speed is can guarantee that and improved, and can finally recover to design speed per hour；It can accomplish to face combination forever, avoid secondary disrupted circuit, reduce the interference to runing in the future；Effect on environment is small, can improve economic results in society.
Description
Technical field
The present invention relates to science of bridge building field, and in particular to a kind of high-speed railway repairing combined box beam and its assembling side
Method.
Background technology
At present, China, which is used for railroad bridge repairing standard equipment, mainly includes assembled truss beam, type-64 military beam
With eight or seven type railway composed with emergency beams；The predominantly military pier of six or five formula railways and eight or three formula railways for Railway Bridges And Piers repairing
Light military pier.
Although China's deposit has a large amount of railroad bridge rush repair equipments and equipment, it is limited to the scientific and technological level and reality for developing the age
Need, the driving of existing railway recovery girder steel limits speed all than relatively low, the driving limitation speed of such as six or four military beams across
Spend for 24m and it is following when be 40km/h, span is 30km/h when being 32m to 40m, and span is 10km/h when being more than 40m；Reassembling type
Trusses is designed as not speed limit, but not speed limit at that time also can only achieve 50~60km/h；Eight or seven type railway composed with emergency beams
Road speed is limited, according to the difference of bridge-type and span between 15~40km/h.The middle span emergency steel girder limit of recent studies on
Road speed processed is 45km/h, but this is the index request of charter, not yet by trial Run Test.It can be seen that the row of emergency steel girder
Car limits speed and differs larger with current and future railroad train road speed, can not meet that new period high-speed railway is rushed to repair
Needs.Also, existing bridge rush-repair equipment equipment and damage repair technology are only used for the repairing of common railway, but how at a high speed
Railway Concrete Bridge carries out the repairing after calamity, also needs to carry out special in-depth study, currently for high-speed railway coagulation after calamity
Research or a blank in terms of native bridge emergency first-aid repair technology and equipment.
Therefore, it is necessary to provide a kind of high-speed railway repairing combined box beam and its assemble method.
The content of the invention
For above-mentioned problems of the prior art, the invention provides a kind of high-speed railway repairing combined box beam and
Its assemble method, it can realize that high-speed railway Common Span concrete-bridge emergency first-aid repair beam is crossed over from scratch.
It is as follows that the present invention solves the scheme that above-mentioned technical problem is provided：
On the one hand, there is provided a kind of high-speed railway repairing combined box beam, it includes the first box beam main body and with described
The second box beam main body that one box beam main body is spliced side by side；The first box beam main body and the second box beam main body include：At least
One the first segment body, the first edge of a wing component being detachably connected with the first segment body sidepiece；
And/or second edge of a wing that at least one second segment body and the second segment body sidepiece are detachably connected
Component.
Preferably, the bottom of first segment body and the second segment body is steel construction, and top is coagulation
Body structure.
Preferably, the steel construction is molded with coagulation body structural integrity.
Preferably, the steel construction of first segment body is identical with the height of the steel construction of second segment body,
And it is 2500-3000mm；The width phase of the steel construction of first segment body and the steel construction of second segment body
Together, and it is 4800-5200mm；The length of the steel construction of first segment body is 10000-13000mm；Described second point
The length of the steel construction of section main body is 5000-10000mm；
The concrete structure of first segment body is identical with the height of the concrete structure of second segment body,
And it is 200-500mm；The concrete structure of first segment body and the concrete structure of second segment body
Width is identical, and is 4800-5200mm；The length of the concrete structure of first segment body and the length of its steel construction
It is identical；The length of the concrete structure of second segment body is identical with the length of its steel construction.
Preferably, the section of shown first edge of a wing component and the second flange structural is right-angled trapezium, and the right angle
The trapezoidal top margin length of side is that 500-800mm, the base length of side are that equal 600-1000mm, the right-angle side length of side are 1000-1500mm；
The length of first edge of a wing component is identical with the length of the steel construction of first segment body, second edge of a wing component
Length is identical with the length of the steel construction of second segment body.
Preferably, the first segment body sidepiece is connected with the first edge of a wing component by the first high-strength bolt；Described
Two-section body side is connected with the second edge of a wing component by the second high-strength bolt.
Preferably, connected between the first box beam main body and the second box beam main body by the 3rd high-strength bolt.
Preferably, the first box beam main body includes some first segment bodies and/or some second segment bodies,
And on the combined box beam bearing of trend, some first segment bodies and/or some second segment bodies are removable successively
Connect with unloading, and each junction is equipped with for installing the joint forever without slag track plates；
The second box beam main body includes some first segment bodies and/or some second segment bodies, and in institute
State on combined box beam bearing of trend, some first segment bodies and/or some second segment bodies removably connect successively
Connect, and each junction is equipped with for installing the joint forever without slag track plates.
Preferably, it is described when there is first segment body with the second segment body simultaneously in same box beam main body
First segment body is arranged at intervals with the second segment body.
On the other hand, a kind of assemble method of above-mentioned high-speed railway repairing combined box beam is also provided, it includes following step
Suddenly：
S1, on the bearing of trend of the combined box beam, first segment body and/or the second segment body successively may be used
Releasably connect, form the first box beam main body and the second box beam main body respectively；
S2, the first box beam main body and the second box beam main body spliced side by side；
S3, in detachably connected first edge of a wing component of the first segment body sidepiece, and/or described second segmentation
Detachably connected second edge of a wing component of body side.
Effect caused by technical solution of the present invention：
The present invention can significantly shorten emergency repair time；Stability Analysis of Structures, road speed is can guarantee that and improves, and finally can be extensive
Multiple extremely design speed per hour；It can accomplish to face combination forever, avoid secondary disrupted circuit, reduce the interference to runing in the future；Effect on environment
It is small, economic results in society can be improved.
Brief description of the drawings
Fig. 1 is the sectional view of combined box beam in embodiment one；
Fig. 2 is the only case of the first box beam main body comprising the first segment body or the second segment body/second in embodiment one
The top view of beam；
Fig. 3 is the sectional view of the first segment body and the second segment body in embodiment one；
Fig. 4 is the connection schematic cross-section of adjacent two steel construction in embodiment one；
Fig. 5 is the sectional view of the edge of a wing component of the first edge of a wing component in embodiment one/second；
Fig. 6 is the box beam of the first box beam main body comprising the first segment body and the second segment body in embodiment one/second
Top view；
Fig. 7 is the first box beam main body and the second case in embodiment one only comprising the first segment body or the second segment body
The splicing top view of beam；
Fig. 8 is the first box beam main body and the second box beam comprising the first segment body and the second segment body in embodiment one
Splicing top view；
Fig. 9 is the flow chart of the assemble method of combined box beam in embodiment two.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment one：
As shown in figure 1, the high-speed railway repairing in the present invention is included with combined box beam：First box beam main body 100 and with
The second box beam main body 200 that the first box beam main body 100 is spliced side by side.
Specifically, as shown in Fig. 2 the composition of the first box beam main body 100 includes following several situations：
(1) the first edge of a wing group that the first segment body A and the first segment body A sidepieces are detachably connected only is included
Part 110, and the first segment body A at least one, when need extend combined box beam apart from when, it is described first segmentation master
Body A can have several, and several described the first segment body A are (i.e. in Fig. 1 vertical in the bearing of trend of the combined box beam
In the direction of paper inwards, and the arrow direction in Fig. 2) on be detachably connected, head and the tail connect successively.
Wherein, as shown in figure 3, the first segment body A bottoms are steel construction 101, top is coagulation body structure 102,
For ease of assembling, the steel construction 101 is integrally formed with coagulation body structure 102, and the height H of the steel construction 101 is 2500-
3000mm (being preferably 2700mm), width W are that 4800-5200mm (being preferably 5000mm), length L1 are 10000-13000mm
(being preferably 12300mm) (length L1 is as shown in Fig. 2 identical with the combined box beam bearing of trend)；The concrete structure
Height H1 is that 200-500mm (being preferably 285mm), width W1 are 4800-5200mm (being preferably 4725mm), length and its steel knot
The length L1 of structure 101 is identical.
Further, as shown in figure 4, adjacent the first segment body A of each two steel construction 101 is at described group
Connected on the bearing of trend of mould assembling beam by fastener 103 (such as high-strength bolt) successively head and the tail, and the steel construction 101 is upper
Surface is additionally provided with the upper junction plate 104 for connecting adjacent steel construction 101, and the lower surface of the steel construction 101, which is additionally provided with, to be used for
The lower connecting plate 105 of adjacent steel construction 101 is connected, the upper junction plate 104 and/or lower connecting plate 105 are steel plate, successively to institute
The the first box beam main body 100 for stating the first segment body A compositions is reinforced.
Meanwhile as shown in figure 5, the section of first edge of a wing component 110 is right-angled trapezium, and the top margin of the right-angled trapezium
The S1 length of sides are 500-800mm (being preferably 687mm), the base S2 length of sides are 600-1000mm (being preferably 816mm), right-angle side S3 sides
A length of 1000-1500mm (being preferably 1300mm)；And the length of first edge of a wing component 110 and the first segment body A
Steel construction 101 length L1 it is identical, more specifically, as shown in figure 1, the right-angled trapezium, longer base S2 and institute
The sidepiece for stating the first segment body A steel construction 101 is detachably connected by the first high-strength bolt (not shown).
In addition, after some first segment body A are sequentially connected, each junction is equipped with for installing forever without slag
Track plates P joint, it thus can recover gapless track, train operation is rapidly achieved desin speed.
(2) as shown in Fig. 2 only including what the second segment body B and the first segment body B sidepieces were detachably connected
Second edge of a wing component 120.The second segment body B, the second edge of a wing component 120 structure setting mode in, except described second
Segment body B steel construction 101, the length of concrete structure 102 are 5000-10000mm (being preferably 8000mm), two phases
Adjacent the second segment body B steel construction 101 is on the bearing of trend of the combined box beam by fastener 103 (such as height
Strength bolt etc.) successively head and the tail connections, second edge of a wing component B length and the second segment body B steel construction 101
Length is identical and the second segment body B and the right-angled trapezium, longer base S2 leads with the described second segmentation
The sidepiece of body B steel construction 101 is detachably connected outer by the second high-strength bolt, and other are identical with (1), herein not
Repeating.
(3) as shown in fig. 6, including at least one first segment body A, at least one second segment body B and institute simultaneously
State the first edge of a wing component 110 that the first segment body A sidepieces are detachably connected and removable with the second segment body B sidepieces
Unload the second edge of a wing component 120 of connection.Wherein, above-mentioned first segment body A, the second segment body B, the first edge of a wing component 110
And second edge of a wing component 120 structure setting mode it is identical with (1)-(2) respectively, will not be repeated here.Difference only exists
In, when with some first segment body A and some second segment body B, on the combined box beam bearing of trend,
Some first segment body A and some second segment body B pass sequentially through fastener 103 and connected from beginning to end, and each connection
Place is equipped with for installing the joint forever without slag track plates.Particularly preferred, the segmentations of the first segment body A and second are led
Body B space sets.
Likewise, the composition situation of the composition situation of the second box beam main body 200 and above-mentioned first box beam main body 100 is complete
It is exactly the same, three kinds of (1)-(3) situation is likewise supplied with, it is necessary to explanation, three kinds of combination situations of above-mentioned first box beam main body 100
It can be combined with three kinds of composition situations of the second box beam main body 200, and all technical schemes that combination is obtained belong to
In protection scope of the present invention.
On the basis of the above, as Figure 7-8, the first box beam main body 100 and the second box beam main body
200 splice side by side, specifically, can be seen that the box beam master of steel construction 101 and second of the first box beam main body 100 with reference to Fig. 1
Connected between the steel construction 101 of body 200 by the 3rd high-strength bolt 130, so that whole combined girder steel globality is more preferable, beam
Body rigidity strengthens, and can properly transit to permanent structure from temporary structure, can be quick without secondary interruption high-speed railway operation
Reach high-speed railway to recover to the strict demand of designed driving speed.
Further, by using big section box girder, i.e. the first segment body A and/or the second segment body B, substitute existing
Some truss-like rod members, joints quantity can be reduced, raising splicing speed is fast, further greatly improves and robs logical speed；Meanwhile
It can be realized by edge of a wing component and be arranged with former concrete Common Span Beam identical bridge floor, accomplish the seamless rank with existing bridge
Connect.
In addition, as shown in figure 1, first edge of a wing component 110 and the first segment body A are detachably connected, and/
Or after second edge of a wing component 120 and the second segment body B is detachably connected, first edge of a wing component 110 is remote
The side for the stitching portion spliced side by side from the first box beam main body 100 and the second box beam main body 200 is additionally provided with the first sound
Barrier 140, and/or second edge of a wing component 120 is away from the first box beam main body 100 and the second box beam main body 200
The side for the stitching portion spliced side by side is additionally provided with the second sound barrier 150.
Embodiment two：
As shown in figure 9, the present invention also provides a kind of assemble method of above-mentioned high-speed railway repairing combined box beam, it includes
Following steps：
S1, on the bearing of trend of the combined box beam, can by first segment body and second segment body
Releasably connect, form the first box beam main body and the second box beam main body respectively；
S2, the first box beam main body and the second box beam main body spliced；
S3, in detachably connected first edge of a wing component of the first segment body sidepiece, and described second segmentation
Detachably connected second edge of a wing component of body side.
It should be noted that the technical characteristic in listing embodiment one, two can be combined, while combination is obtained
All technical schemes belong to protection scope of the present invention.
In summary, high-speed railway repairing combined box beam and its assemble method provided by the invention, can meet at a high speed
The requirement of emergency first-aid repair and fast quick-recovery, has filled up domestic blank after railway Common Span bridge calamity, and it has below beneficial to effect
Fruit：
1) it makes full use of existing railway flat board vehicle transport, has transport flexibility.
2) big prefabricated subsection is used, reduces joint quantity, spelling speed is fast, with the repairing need for meeting quick-assembling, setting up
Ask.
3) new model separated using attached edge of a wing component is carried with segment body, main structure size is reduced.
4) segment body and edge of a wing component are easy to deposit in the size and weight range that existing haulage vehicle can undertake
Storage and transport.
5) by modularization idea, high-speed railway 32m and 24m standard spans beam repairing demand is taken into account, reduces storage specification
Species, improve standby beam flexibility.
6) beam body can be quickly spliced into, completion circuit is robbed logical；Subsequently permanent fragment-free track slab can be installed by reserved joint,
Recover gapless track, train operation is reached desin speed.
7) first lead to and be apt to afterwards, face combination forever, can quick restoration designing speed per hour, change beam without secondary, economical, societal benefits are notable.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of high-speed railway repairing combined box beam, it include the first box beam main body and with the first box beam main body side by side
Second box beam main body of splicing；Characterized in that, the first box beam main body and the second box beam main body include：It is at least one
First segment body, the first edge of a wing component being detachably connected with the first segment body sidepiece；
And/or the second edge of a wing group that at least one second segment body and the second segment body sidepiece are detachably connected
Part.
2. combined box beam as claimed in claim 1, it is characterised in that first segment body and the second segment body
Bottom is steel construction, and top is coagulation body structure.
3. combined box beam as claimed in claim 2, it is characterised in that the steel construction is molded with coagulation body structural integrity.
4. combined box beam as claimed in claim 2, it is characterised in that the steel construction of first segment body and described second
The height of the steel construction of segment body is identical, and is 2500-3000mm；The steel construction of first segment body and described the
The width of the steel construction of two-section main body is identical, and is 4800-5200mm；The length of the steel construction of first segment body
For 10000-13000mm；The length of the steel construction of second segment body is 5000-10000mm；
The concrete structure of first segment body is identical with the height of the concrete structure of second segment body, and
For 200-500mm；The width of the concrete structure of first segment body and the concrete structure of second segment body
It is identical, and be 4800-5200mm；The length of the concrete structure of first segment body and the length phase of its steel construction
Together；The length of the concrete structure of second segment body is identical with the length of its steel construction.
5. combined box beam as claimed in claim 4, it is characterised in that shown first edge of a wing component and the second flange structural
Section is right-angled trapezium, and the top margin length of side of the right-angled trapezium is that 500-800mm, the base length of side are equal 600-
1000mm, the right-angle side length of side are 1000-1500mm；The steel of the length of first edge of a wing component and first segment body
The length of structure is identical, and the length of second edge of a wing component is identical with the length of the steel construction of second segment body.
6. combined box beam as claimed in claim 1, it is characterised in that the first segment body sidepiece and the first edge of a wing component
Connected by the first high-strength bolt；The second segment body sidepiece is connected with the second edge of a wing component by the second high-strength bolt.
7. combined box beam as claimed in claim 1, it is characterised in that the first box beam main body and the second box beam main body
Between pass through the 3rd high-strength bolt connect.
8. combined box beam as claimed in claim 1, it is characterised in that the first box beam main body includes some described first points
Section main body and/or some second segment bodies, and on the combined box beam bearing of trend, some first segment bodies
And/or some second segment bodies are detachably connected successively, and each junction is equipped with for installing forever without slag track
The joint of plate；
The second box beam main body includes some first segment bodies and/or some second segment bodies, and at described group
On mould assembling beam bearing of trend, some first segment bodies and/or some second segment bodies are detachably connected successively, and
Each junction is equipped with for installing the joint forever without slag track plates.
9. combined box beam as claimed in claim 1, it is characterised in that when in same box beam main body simultaneously there is described first point
When section main body is with the second segment body, first segment body is arranged at intervals with the second segment body.
10. a kind of assemble method of high-speed railway repairing combined box beam as described in claim any one of 1-9, its feature exist
In comprising the following steps：
S1, on the bearing of trend of the combined box beam, first segment body and/or the second segment body are detachable successively
Ground connects, and forms the first box beam main body and the second box beam main body respectively；
S2, the first box beam main body and the second box beam main body spliced side by side；
S3, in detachably connected first edge of a wing component of the first segment body sidepiece, and/or in second segment body
Detachably connected second edge of a wing component of sidepiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765078.6A CN107354857A (en) | 2017-08-30 | 2017-08-30 | A kind of high-speed railway repairing combined box beam and its assemble method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765078.6A CN107354857A (en) | 2017-08-30 | 2017-08-30 | A kind of high-speed railway repairing combined box beam and its assemble method |
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| CN107354857A true CN107354857A (en) | 2017-11-17 |
Family
ID=60289003
Family Applications (1)
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| CN201710765078.6A Pending CN107354857A (en) | 2017-08-30 | 2017-08-30 | A kind of high-speed railway repairing combined box beam and its assemble method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487291A (en) * | 2018-03-23 | 2018-09-04 | 中铁二院工程集团有限责任公司 | The installation method of contact net upright post basic on a kind of railway steel reinforced concrete bondbeam |
| CN109629398A (en) * | 2018-12-26 | 2019-04-16 | 石家庄铁道大学 | A kind of external prestressing strengthening device of type-64 military beam |
| CN112239991A (en) * | 2020-09-01 | 2021-01-19 | 中铁工程设计咨询集团有限公司 | Common span emergency repair simply-supported steel-concrete combined beam for railway |
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| CN105735101A (en) * | 2016-05-11 | 2016-07-06 | 石家庄铁道大学 | High-speed railway rush repair beam capable of being converted into permanent bridge structure, and rush repair method of high-speed railway rush repair beam |
| CN207295407U (en) * | 2017-08-30 | 2018-05-01 | 中铁工程设计咨询集团有限公司 | A kind of high-speed railway repairing combined box beam |
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| JP2010084349A (en) * | 2008-09-30 | 2010-04-15 | Ihi Corp | Reinforcing construction method of box girder end |
| CN105155399A (en) * | 2015-07-31 | 2015-12-16 | 中铁第四勘察设计院集团有限公司 | Small box girder bridge and building method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487291A (en) * | 2018-03-23 | 2018-09-04 | 中铁二院工程集团有限责任公司 | The installation method of contact net upright post basic on a kind of railway steel reinforced concrete bondbeam |
| CN109629398A (en) * | 2018-12-26 | 2019-04-16 | 石家庄铁道大学 | A kind of external prestressing strengthening device of type-64 military beam |
| CN112239991A (en) * | 2020-09-01 | 2021-01-19 | 中铁工程设计咨询集团有限公司 | Common span emergency repair simply-supported steel-concrete combined beam for railway |
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